
Tonkatsu Box
Open-source collection manager for games, movies & anime
What it does
Free open-source app to build and manage collections of retro games, movies, TV shows, manga, anime, and visual novels. Track progress, rate favorites, create visual boards, and share with friends. Windows, Linux & Android.
Does the same job
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- IMI'm making an open-source platform for learning JapaneseSep 2025 · kanadojo.com · ▲288
The idea is actually quite simple. As a Japanese learner and a coder, I've always wanted there to be an open-source, 100% free for learning Japanese, similar to Monkeytype in the typing community. Unfortunately, pretty much all language learning apps are closed-sourced and paid these days, and the ones that are free have unfortunately been abandoned. But of course, just creating yet another language learning app was not enough - there has to be a unique selling point. And then I thought to myself: why not make it crazy and do what no other language learning app ever did by adding a gazillion…
- WOWe open-sourced our anime discovery application2014 · github.com · ▲91
- AWA website/app to help manage your game library2025 · gamenode.app · ▲26
So, me (dev) and my friend (designer) have been building a website/mobile app to help users manage their game library (think MyAnimeList, but games) for a little over a year. We launched with a very basic set of features, and have been slowing expanding since then. All the code is open source, and most of the things we implemented were direct feedback from users (e.g. being able to import games from Steam/PSN, and the Posts feature). We don't show ads or have any kind of subscription. This is just a hobby project. Any feedback would be greatly appreciated, as honestly the hardest…
- RARomM – An open-source, self-hosted ROM manager and player2025 · github.com · ▲238
RomM is a self-hosted app that allows you to manage your retro game files (ROMs) and play them in the browser. Think of it as Plex or Jellyfin for your ROM library: it automatically fetches metadata, artwork, and game information from online metadata sources to transform your folders into a browsable collection. You can play games directly in the browser for consoles like the N64, Game Boy Advance, Nintendo DS, and PlayStation 1, using the integrated web emulator (https://emulatorjs.org/). Members of the community have released integrations for Playnite (Windows), muOS…

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